package com.csw.mysqldate.interceptor.traceId;


import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

@Configuration
public class FeignConfig {
    @Bean
    public RequestInterceptor requestInterceptor() {
        return new RequestInterceptor() {
            @Override
            public void apply(RequestTemplate template) {
                ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
                if (attributes != null) {
                    HttpServletRequest request = attributes.getRequest();
                    template.header("requestId", TraceIdFilter.getRequestId());
//                    Enumeration<String> headerNames = request.getHeaderNames();
//                    while (headerNames.hasMoreElements()) {
//                        String headerName = headerNames.nextElement();
//                        String headerValue = request.getHeader(headerName);
//                        template.header(headerName, headerValue);
//                    }
                }
            }
        };
    }
}
